1 /*
2 * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
3 *
4 * Copyright (C) 2010 Samsung Electronics
5 *
6 * Author: Pawel Osciak <pawel@osciak.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation.
11 */
12
13 #ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H
14 #define _MEDIA_VIDEOBUF2_DMA_CONTIG_H
15
16 #include <media/videobuf2-v4l2.h>
17 #include <linux/dma-mapping.h>
18
19 static inline dma_addr_t
20 vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
21 {
22 dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
23
24 return *addr;
25 }
26
27 int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size);
28 static inline void vb2_dma_contig_clear_max_seg_size(struct device *dev) { }
29
30 extern const struct vb2_mem_ops vb2_dma_contig_memops;
31
32 #endif
33
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.